Xhorse VVDI Key Tool plus is on sale $2099 EU/UK/US ship OK, key tool plus support renew function: convert used NEC key to blank status.
Key Mercedes remote v57 unlock nec and virginized.
Use with NEC Adapter
Choose IMMO Programming>>Bnez>>Select from system>>read write key>>nec adapter read and write keys in vvdi key tool plus
NEC Key photo
Remove the chip from key pcb
VVDI Key Tool Plus and NEC Adapter connection diagram
Renew OK